TREK-674 is a compact vehicle-grade, dual-core computing box designed to provide high-quality video surveillance and fleet management for police car, ambulance, fire engine and buses. TREK-674 delivers tracking and positioning which allows a truck to be traced even if the driver is in a tunnel. It supports several vehicle protocols (e.g. J1939, OBD-II/ISO 15765) for vehicle diagnostics and driver behavior management, and it supports up to 8 channel camera inputs for high-quality H.264 D1/30fps/ch recording to improve driver/passenger safety and security. Front side USB 3.0 port, dual SIM cards and Cfast slots are designed for ease of maintanence. A single SSD tray is swappable and designed for video data backup. The TREK-674 provides reliable on-road recording and can transmit images or alarms for remote monitoring over wireless, GPRS, 3G, or HSDPA network connections.